package com.ywl.designpattern.inversion.improve;

/**
 * 依赖关系传递的三种方式
 */
public class DependencyPass {

    public static void main(String[] args) {
        //1.通过接口传递实现依赖
        ChangHong changHong = new ChangHong();
//		OpenAndClose openAndClose = new OpenAndClose();
//		openAndClose.open(changHong);

        //2.通过构造器进行依赖传递
//		OpenAndClose openAndClose = new OpenAndClose(changHong);
//		openAndClose.open();

        //3.通过setter方法进行依赖传递
        OpenAndClose openAndClose = new OpenAndClose();
        openAndClose.setTv(changHong);
        openAndClose.open();

    }

}

// 方式1： 通过接口传递实现依赖
/*// 开关的接口
interface IOpenAndClose {
    public void open(ITV tv); //抽象方法,接收接口
}

interface ITV { //ITV接口
    public void play();
}

class ChangHong implements ITV {

    @Override
    public void play() {
        System.out.println("长虹电视机，打开");
    }

}

//实现接口
class OpenAndClose implements IOpenAndClose {
    public void open(ITV tv) {
        tv.play();
    }
}*/


// 方式2: 通过构造方法依赖传递
/*interface IOpenAndClose {
    public void open(); //抽象方法
}

interface ITV { //ITV接口
    public void play();
}

class OpenAndClose implements IOpenAndClose {
    public ITV tv; //成员

    public OpenAndClose(ITV tv) { //构造器
        this.tv = tv;
    }

    public void open() {
        this.tv.play();
    }
}*/


// 方式3 , 通过setter方法传递
interface IOpenAndClose {
    public void open(); // 抽象方法

    public void setTv(ITV tv);
}

interface ITV { // ITV接口
    public void play();
}

class OpenAndClose implements IOpenAndClose {
    private ITV tv;

    public void setTv(ITV tv) {
        this.tv = tv;
    }

    public void open() {
        this.tv.play();
    }
}

class ChangHong implements ITV {

    @Override
    public void play() {
        System.out.println("长虹电视机，打开");
    }

}

